Rainbow Chalk 15mm Large Nib Chalk Markers

Rainbow Chalks Liquid Chalk 15mm Large Broad Nib markers are the largest in the Liquid Chalk range. They are manufactured in the UK and use a water based ink which is designed for use on different types of non-porous surfaces such as chalkboards, whiteboards, mirrors and glass surfaces. The ink is water-resistant to light rain however once the surface is wet you only need to remove it with a damp cloth, or for more efficiency you can use the Rainbow Blackboard, Whiteboard and Glass Cleaner.